213845457226 has 8 divisors (see below), whose sum is σ = 320781549924. Its totient is φ = 106918273920.

The previous prime is 213845457223. The next prime is 213845457229. The reversal of 213845457226 is 622754548312.

213845457226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213845457223) and next prime (213845457229).

It can be written as a sum of positive squares in 2 ways, for example, as 209951822025 + 3893635201 = 458205^2 + 62399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213845457226.

It is not an unprimeable number, because it can be changed into a prime (213845457223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167015 + ... + 2263546.

Almost surely, 2^213845457226 is an apocalyptic number.

213845457226 is a deficient number, since it is larger than the sum of its proper divisors (106936092698).

213845457226 is a wasteful number, since it uses less digits than its factorization.

213845457226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454696.

The product of its digits is 3225600, while the sum is 49.

The spelling of 213845457226 in words is "two hundred thirteen billion, eight hundred forty-five million, four hundred fifty-seven thousand, two hundred twenty-six".